diff --git a/pandora_console/godmode/massive/massive_add_policies_alerts.php b/pandora_console/godmode/massive/massive_add_policies_alerts.php
index b1f289a3e3..13bd8819ba 100644
--- a/pandora_console/godmode/massive/massive_add_policies_alerts.php
+++ b/pandora_console/godmode/massive/massive_add_policies_alerts.php
@@ -134,7 +134,7 @@ $table->data[0][0] = html_print_label_input_block(
 
 $table->data[0][1] = html_print_label_input_block(
     __('Group recursion'),
-    html_print_checkbox('recursion', 1, $recursion, true, false, '', true)
+    html_print_checkbox('recursion', 1, ($recursion ?? false), true, false, '', true)
 );
 
 $arr_policies = policies_get_policies();
diff --git a/pandora_console/godmode/massive/massive_add_policies_alerts_action_external.php b/pandora_console/godmode/massive/massive_add_policies_alerts_action_external.php
index 177af408f1..32efc15606 100644
--- a/pandora_console/godmode/massive/massive_add_policies_alerts_action_external.php
+++ b/pandora_console/godmode/massive/massive_add_policies_alerts_action_external.php
@@ -138,7 +138,7 @@ $table->data[0][0] = html_print_label_input_block(
 
 $table->data[0][1] = html_print_label_input_block(
     __('Group recursion'),
-    html_print_checkbox('recursion', 1, $recursion, true, false, '', true)
+    html_print_checkbox('recursion', 1, ($recursion ?? false), true, false, '', true)
 );
 
 $arr_policies = policies_get_policies();
diff --git a/pandora_console/godmode/massive/massive_edit_agents.php b/pandora_console/godmode/massive/massive_edit_agents.php
index 9a57ef9d53..26ab73603c 100755
--- a/pandora_console/godmode/massive/massive_edit_agents.php
+++ b/pandora_console/godmode/massive/massive_edit_agents.php
@@ -631,8 +631,8 @@ if (is_metaconsole() === true) {
 echo '<form method="post" autocomplete="off" id="form_agent" action="'.$url.'">';
 echo html_print_avoid_autocomplete();
 $params = [
-    'id_group'  => $id_group,
-    'recursion' => $recursion,
+    'id_group'  => ($id_group ?? ''),
+    'recursion' => ($recursion ?? ''),
 ];
 echo get_table_inputs_masive_agents($params);
 
@@ -712,9 +712,9 @@ if (is_metaconsole() === false) {
 
     $table->data[0][1] .= '&nbsp;&nbsp;'.__('Module').'&nbsp;';
     $table->data[0][1] .= html_print_select(
-        $modules,
+        ($modules ?? ''),
         'cascade_protection_module',
-        $cascade_protection_module,
+        ($cascade_protection_module ?? ''),
         '',
         '',
         0,
@@ -1162,7 +1162,7 @@ $table->data[7][0] = __('Safe operation mode').': '.ui_print_help_tip(
     ),
     true
 );
-$table->data[7][1] .= html_print_select(
+$table->data[7][1] = html_print_select(
     [
         1 => __('Enabled'),
         0 => __('Disabled'),
@@ -1229,7 +1229,7 @@ if ($fields === false) {
 foreach ($fields as $field) {
     $data[0] = '<b>'.$field['name'].'</b>';
     $combo = [];
-    $combo = $field['combo_values'];
+    $combo = ($field['combo_values'] ?? '');
     $combo = explode(',', $combo);
     $combo_values = [];
     foreach ($combo as $value) {
@@ -1258,7 +1258,7 @@ foreach ($fields as $field) {
             '',
             30,
             100,
-            $view_mode,
+            ($view_mode ?? ''),
             '',
             '',
             true,
diff --git a/pandora_console/godmode/massive/massive_edit_modules.php b/pandora_console/godmode/massive/massive_edit_modules.php
index 2b8990c065..672c59276c 100755
--- a/pandora_console/godmode/massive/massive_edit_modules.php
+++ b/pandora_console/godmode/massive/massive_edit_modules.php
@@ -421,7 +421,7 @@ $table->data[4][0] = html_print_label_input_block(
     html_print_select(
         $tags,
         'tags[]',
-        $tags_name,
+        ($tags_name ?? ''),
         false,
         __('Any'),
         -1,
@@ -537,7 +537,7 @@ $table->data[8][0] = html_print_label_input_block(
     html_print_select(
         $tags,
         'tags[]',
-        $tags_name,
+        ($tags_name ?? ''),
         false,
         __('Any'),
         -1,
@@ -1304,7 +1304,7 @@ $table->data[29][0] = html_print_label_input_block(
     html_print_select_from_sql(
         'SELECT id_tag, name FROM ttag ORDER BY name',
         'id_tag[]',
-        $id_tag,
+        ($id_tag ?? ''),
         '',
         __('None'),
         '0',
diff --git a/pandora_console/godmode/massive/massive_edit_users.php b/pandora_console/godmode/massive/massive_edit_users.php
index 57274dc129..87ffb80bd4 100644
--- a/pandora_console/godmode/massive/massive_edit_users.php
+++ b/pandora_console/godmode/massive/massive_edit_users.php
@@ -476,12 +476,12 @@ if (is_metaconsole() === false) {
             $timezone_name = 'Asia/Shanghai';
         }
 
-        $area_data_timezone_polys .= '';
+        $area_data_timezone_polys = '';
         foreach ($tz['polys'] as $coords) {
             $area_data_timezone_polys .= '<area data-timezone="'.$timezone_name.'" data-country="'.$tz['country'].'" data-pin="'.implode(',', $tz['pin']).'" data-offset="'.$tz['offset'].'" shape="poly" coords="'.implode(',', $coords).'" />';
         }
 
-        $area_data_timezone_rects .= '';
+        $area_data_timezone_rects = '';
         foreach ($tz['rects'] as $coords) {
             $area_data_timezone_rects .= '<area data-timezone="'.$timezone_name.'" data-country="'.$tz['country'].'" data-pin="'.implode(',', $tz['pin']).'" data-offset="'.$tz['offset'].'" shape="rect" coords="'.implode(',', $coords).'" />';
         }
@@ -543,7 +543,7 @@ echo sprintf(
     '<div class="edit_user_options">%s %s %s %s %s %s %s %s %s %s</div>',
     $language,
     $size_pagination,
-    $skin,
+    ($skin ?? ''),
     $home_screen,
     $event_filter,
     $autorefresh_show,
diff --git a/pandora_console/godmode/massive/massive_operations.php b/pandora_console/godmode/massive/massive_operations.php
index be396d2a1b..3480b66a92 100755
--- a/pandora_console/godmode/massive/massive_operations.php
+++ b/pandora_console/godmode/massive/massive_operations.php
@@ -348,6 +348,10 @@ if (check_acl($config['id_user'], 0, 'UM')) {
     $onheader['user_agents'] = $userstab;
 }
 
+if (isset($servicestab) === false) {
+    $servicestab = '';
+}
+
 $onheader['massive_alerts'] = $alertstab;
 $onheader['massive_policies_alerts'] = $policiesalertstab;
 $onheader['massive_policies_alerts_external'] = $policiesalertsexternaltab;
diff --git a/pandora_console/godmode/resources/resources_export_import.php b/pandora_console/godmode/resources/resources_export_import.php
index 86583ec69b..cbdd3b0f59 100644
--- a/pandora_console/godmode/resources/resources_export_import.php
+++ b/pandora_console/godmode/resources/resources_export_import.php
@@ -268,8 +268,8 @@ echo '</div>';
         if (msg.status === true) {
             title = "<?php echo __('Importation successfully completed'); ?>";
             message = "<?php echo __('PRD import successfull:'); ?>";
-            const name = "<?php echo $name; ?>";
-            const type = "<?php echo $type; ?>";
+            const name = "<?php echo ($name ?? ''); ?>";
+            const type = "<?php echo ($type ?? ''); ?>";
             message += ` ${type} - ${name}`;
         } else {
             title = "<?php echo __('Import failure'); ?>";
diff --git a/pandora_console/include/class/HTML.class.php b/pandora_console/include/class/HTML.class.php
index 50999ac67b..9247f2dbeb 100644
--- a/pandora_console/include/class/HTML.class.php
+++ b/pandora_console/include/class/HTML.class.php
@@ -676,6 +676,10 @@ class HTML
                 $input['arguments'] = '';
             }
 
+            if (isset($input['arguments']['type']) === false) {
+                $input['arguments']['type'] = '';
+            }
+
             if ($input['arguments']['type'] != 'hidden'
                 && $input['arguments']['type'] != 'hidden_extended'
             ) {
diff --git a/pandora_console/include/functions_html.php b/pandora_console/include/functions_html.php
index e520303c1d..8435c802b8 100644
--- a/pandora_console/include/functions_html.php
+++ b/pandora_console/include/functions_html.php
@@ -2075,7 +2075,7 @@ function html_print_extended_select_for_post_process(
     $found = false;
 
     if ($selected) {
-        if (array_key_exists(number_format($selected, 14, $config['decimal_separator'], $config['thousand_separator']), $fields)) {
+        if (array_key_exists(number_format($selected, 14, $config['decimal_separator'], ($config['thousand_separator'] ?? ',')), $fields)) {
             $found = true;
         }
     }